I will fix bugs and integrate API in react node js typescript


About this gig
Are you facing bugs in your React js or Node.js application? Need API integration or backend/frontend fixes? You are in the right place!
I am a full stack JavaScript developer specializing in React js, Node.js, Express.js, MongoDB, and TypeScript. I will help you fix bugs, resolve errors, integrate APIs, and improve your web application performance.
My Services Include:
- React.js bug fixing
- Node.js and Express.js bug fixes
- REST API integration
- Third-party API integration
- Frontend and backend debugging
- MongoDB database issues
- TypeScript fixes
- Authentication and JWT issues
- API connection problems
- Performance optimization
- Error fixing and debugging
Technologies I Work With:
- React.js
- Node.js
- Express.js
- MongoDB
- TypeScript
- REST APIs
- JWT Authentication
- Firebase
- Git/GitHub
Why Choose Me?
Clean and professional code
Fast communication
Quick bug resolution
Scalable solutions
Client satisfaction
Please contact me before placing an order to discuss your requirements.
Respect third-party rights
Please be aware that it is against Fiverr's policies for sellers to include themes, templates, or any other elements that infringe third-party rights or applicable laws in the delivered work. Read more about in our Guide to Responsible Digital Creation.
Get to know Rabi Raja
MERN Stack Developer
- FromPakistan
- Member sinceOct 2025
- Avg. response time1 hour
- Last delivery3 weeks
Languages
Urdu, English, German, French, Spanish
My Portfolio
FAQ
What technologies do you work with?
I work with React.js, Node.js, Express.js, MongoDB, TypeScript, JavaScript, REST APIs, JWT Authentication, Firebase, and frontend/backend web development.
Can you fix bugs in my existing website or application?
Yes! I can fix frontend and backend bugs, API issues, React errors, Node.js/Express problems, MongoDB issues, TypeScript errors, authentication bugs, and performance issues.
Do you provide API integration services?
Yes, I provide REST API integration, third-party API integration, payment API integration, authentication APIs, and frontend-backend API connections.
Can you work on both frontend and backend?
Yes, I work on both React frontend and Node.js backend development, including bug fixing and full-stack debugging.

